AjaxControlToolkit 微软出的ajax.net 工具使用教程十六 TextBoxWatermarkExtender（水印） 控件的使用

Posted on 2007-05-16 16:36  ant-boss  阅读(297)  评论(0)    收藏  举报

新建一个AjaxControlToolkitWebSite 项目，把下面的代码复制到你的页面：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>Untitled Page</title>
    <link href="StyleSheet.css" _fcksavedurl=""StyleSheet.css"" rel="stylesheet" type="text/css" />   
</head>
<body>
    <form id="form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server" />
        <div>
            <br />
            <asp:TextBox ID="TextBox1" runat="server" Width="289px"></asp:TextBox>
            <br />
            <br />
            <asp:TextBox ID="TextBox2" runat="server" Width="289px"></asp:TextBox><br />
            <br />
            <asp:Button ID="Button1" runat="server" Text="Button" /><br />
            <br />
            <asp:TextBox ID="TextBox3" runat="server" Width="289px"></asp:TextBox><br />
            <br />
            <ajaxToolkit:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender1" runat="server"
                TargetControlID="TextBox1" WatermarkCssClass="watermark" WatermarkText="Please enter a phone number (999) 000-1111">
            </ajaxToolkit:TextBoxWatermarkExtender>
            <br />
            <ajaxToolkit:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender2" runat="server"
                TargetControlID="TextBox2" WatermarkCssClass="watermark" WatermarkText="Enter anything">
            </ajaxToolkit:TextBoxWatermarkExtender>
        </div>
    </form>  
</body>
</html>